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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.buffer_size"></a><a class="link" href="buffer_size.html" title="buffer_size">buffer_size</a>
</h3></div></div></div>
<p>
        <a class="indexterm" name="idp53130448"></a> 
The <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">buffer_size</span></code> function determines the total
        number of bytes in a buffer or buffer sequence.
      </p>
<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload1.html" title="buffer_size (1 of 5 overloads)">buffer_size</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">mutable_buffer</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload1.html" title="buffer_size (1 of 5 overloads)">more...</a></em></span>

<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload2.html" title="buffer_size (2 of 5 overloads)">buffer_size</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">mutable_buffers_1</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload2.html" title="buffer_size (2 of 5 overloads)">more...</a></em></span>

<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload3.html" title="buffer_size (3 of 5 overloads)">buffer_size</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">const_buffer</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload3.html" title="buffer_size (3 of 5 overloads)">more...</a></em></span>

<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload4.html" title="buffer_size (4 of 5 overloads)">buffer_size</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">const_buffers_1</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload4.html" title="buffer_size (4 of 5 overloads)">more...</a></em></span>

<span class="keyword">template</span><span class="special">&lt;</span>
    <span class="keyword">typename</span> <span class="identifier">BufferSequence</span><span class="special">&gt;</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <a class="link" href="buffer_size/overload5.html" title="buffer_size (5 of 5 overloads)">buffer_size</a><span class="special">(</span>
    <span class="keyword">const</span> <span class="identifier">BufferSequence</span> <span class="special">&amp;</span> <span class="identifier">b</span><span class="special">);</span>
  <span class="emphasis"><em>&#187; <a class="link" href="buffer_size/overload5.html" title="buffer_size (5 of 5 overloads)">more...</a></em></span>
</pre>
<h5>
<a name="boost_asio.reference.buffer_size.h0"></a>
        <span><a name="boost_asio.reference.buffer_size.requirements"></a></span><a class="link" href="buffer_size.html#boost_asio.reference.buffer_size.requirements">Requirements</a>
      </h5>
<p>
        <span class="bold"><strong>Header: </strong></span><code class="literal">boost/asio/buffer.hpp</code>
      </p>
<p>
        <span class="bold"><strong>Convenience header: </strong></span><code class="literal">boost/asio.hpp</code>
      </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2003-2012 Christopher M. Kohlhoff<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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